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A067906
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Primes of the form floor((5/4)^k).
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1
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2, 3, 5, 7, 11, 211, 1009, 3851, 7523, 9403, 18367, 213821, 815663, 2010764683, 831632781251, 23636425261531, 537430088605367, 7896825413969130677, 226627774989027955951103, 451298593966207394017315520293
(list; graph; refs; listen; history; internal format)
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OFFSET
| 1,1
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LINKS
| Charles R Greathouse IV, Table of n, a(n) for n = 1..31
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MATHEMATICA
| Union[Select[Floor[(5/4)^Range[0, 400]], PrimeQ]] (* From Harvey P. Dale, Jan 06 2012 *)
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PROG
| (PARI) for(n=1, 1e4, if(ispseudoprime(t=floor((5/4)^n)), print1(t", "))) \\ Charles R Greathouse IV, Feb 17, 2011
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CROSSREFS
| Sequence in context: A185267 A088249 A186449 * A029980 A046481 A082625
Adjacent sequences: A067903 A067904 A067905 * A067907 A067908 A067909
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KEYWORD
| nonn
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AUTHOR
| Benoit Cloitre (benoit7848c(AT)orange.fr), Mar 03, 2002
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